Table 1: Timing of major damage progression events for a scenario with depressurization and termination of emergency water injection at 4.2 hours after reactor scram (CRD flows maintained).

EventsTime (s)Time (hr)Time after start of depressurization (hr)

Depressurization and termination of water injection in RPV150004.2
Initial fuel melting 180005.00.8
Initial relocation of metallics (SS/Zr/ ) into LP195005.41.3
Initial relocation of fuel into LP200005.61.4